You can watch the debate, which is being hosted by Maclean's magazine, starting at 8 p.m. ET on City in English, on CPAC in English and French and on OMNI in Italian, Punjabi, Mandarin and Cantonese. The debate will also be available online on YouTube.
We'll have live coverage and discussion here starting at 6:30 p.m. ET and carrying on throughout the night.